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=====================================================================
                   Red Hat Security Advisory

Synopsis:          Important: corosync security update
Advisory ID:       RHSA-2018:1169-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2018:1169
Issue date:        2018-04-17
CVE Names:         CVE-2018-1084 
=====================================================================

1. Summary:

An update for corosync is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact
of Important. A Common Vulnerability Scoring System (CVSS) base score,
which gives a detailed severity rating, is available for each vulnerability
from the CVE link(s) in the References section.

2. Relevant releases/architectures:

Red Hat Enterprise Linux Server High Availability (v. 7) - ppc64le, s390x,
 x86_64
Red Hat Enterprise Linux Server Resilient Storage (v. 7) - ppc64le, s390x,
 x86_64

3. Description:

The corosync packages provide the Corosync Cluster Engine and C APIs for
Red Hat Enterprise Linux cluster software.

Security Fix(es):

* corosync: Integer overflow in exec/totemcrypto.c:authenticate_nss_2_3()
function (CVE-2018-1084)

For more details about the security issue(s), including the impact, a CVSS
score, and other related information, refer to the CVE page(s) listed in
the References section.

Red Hat would like to thank Citrix Security Response Team for reporting
this issue.

4. Solution:

For details on how to apply this update, which includes the changes
described in this advisory, refer to:

https://access.redhat.com/articles/11258

5. Bugs fixed (https://bugzilla.redhat.com/):

1552830 - CVE-2018-1084 corosync: Integer overflow in
 exec/totemcrypto.c:authenticate_nss_2_3() function

6. Package List:

Red Hat Enterprise Linux Server High Availability (v. 7):

Source:
corosync-2.4.3-2.el7_5.1.src.rpm

ppc64le:
corosync-2.4.3-2.el7_5.1.ppc64le.rpm
corosync-debuginfo-2.4.3-2.el7_5.1.ppc64le.rpm
corosync-qdevice-2.4.3-2.el7_5.1.ppc64le.rpm
corosync-qnetd-2.4.3-2.el7_5.1.ppc64le.rpm
corosynclib-2.4.3-2.el7_5.1.ppc64le.rpm
corosynclib-devel-2.4.3-2.el7_5.1.ppc64le.rpm

s390x:
corosync-2.4.3-2.el7_5.1.s390x.rpm
corosync-debuginfo-2.4.3-2.el7_5.1.s390x.rpm
corosync-qdevice-2.4.3-2.el7_5.1.s390x.rpm
corosync-qnetd-2.4.3-2.el7_5.1.s390x.rpm
corosynclib-2.4.3-2.el7_5.1.s390x.rpm
corosynclib-devel-2.4.3-2.el7_5.1.s390x.rpm

x86_64:
corosync-2.4.3-2.el7_5.1.x86_64.rpm
corosync-debuginfo-2.4.3-2.el7_5.1.i686.rpm
corosync-debuginfo-2.4.3-2.el7_5.1.x86_64.rpm
corosync-qdevice-2.4.3-2.el7_5.1.x86_64.rpm
corosync-qnetd-2.4.3-2.el7_5.1.x86_64.rpm
corosynclib-2.4.3-2.el7_5.1.i686.rpm
corosynclib-2.4.3-2.el7_5.1.x86_64.rpm
corosynclib-devel-2.4.3-2.el7_5.1.i686.rpm
corosynclib-devel-2.4.3-2.el7_5.1.x86_64.rpm

Red Hat Enterprise Linux Server Resilient Storage (v. 7):

Source:
corosync-2.4.3-2.el7_5.1.src.rpm

ppc64le:
corosync-2.4.3-2.el7_5.1.ppc64le.rpm
corosync-debuginfo-2.4.3-2.el7_5.1.ppc64le.rpm
corosync-qdevice-2.4.3-2.el7_5.1.ppc64le.rpm
corosync-qnetd-2.4.3-2.el7_5.1.ppc64le.rpm
corosynclib-2.4.3-2.el7_5.1.ppc64le.rpm
corosynclib-devel-2.4.3-2.el7_5.1.ppc64le.rpm

s390x:
corosync-2.4.3-2.el7_5.1.s390x.rpm
corosync-debuginfo-2.4.3-2.el7_5.1.s390x.rpm
corosync-qdevice-2.4.3-2.el7_5.1.s390x.rpm
corosync-qnetd-2.4.3-2.el7_5.1.s390x.rpm
corosynclib-2.4.3-2.el7_5.1.s390x.rpm
corosynclib-devel-2.4.3-2.el7_5.1.s390x.rpm

x86_64:
corosync-2.4.3-2.el7_5.1.x86_64.rpm
corosync-debuginfo-2.4.3-2.el7_5.1.i686.rpm
corosync-debuginfo-2.4.3-2.el7_5.1.x86_64.rpm
corosync-qdevice-2.4.3-2.el7_5.1.x86_64.rpm
corosync-qnetd-2.4.3-2.el7_5.1.x86_64.rpm
corosynclib-2.4.3-2.el7_5.1.i686.rpm
corosynclib-2.4.3-2.el7_5.1.x86_64.rpm
corosynclib-devel-2.4.3-2.el7_5.1.i686.rpm
corosynclib-devel-2.4.3-2.el7_5.1.x86_64.rpm

These packages are GPG signed by Red Hat for security.  Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/

7. References:

https://access.redhat.com/security/cve/CVE-2018-1084
https://access.redhat.com/security/updates/classification/#important

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2018 Red Hat, Inc.
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